Fostoria, IA -- U.S. city in Iowa Population (2000): 230 Housing Units (2000): 97 Land area (2000): 0.475458 sq. miles (1.231430 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.475458 sq. miles (1.231430 sq. km) FIPS code: 28650 Located within: Iowa (IA), FIPS 19 Location: 43.241539 N, 95.155039 W ZIP Codes (1990): 51340 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Fostoria, IA Fostoria